import us.codecraft.webmagic.model.annotation.TargetUrl; //导入依赖的package包/类
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected boolean validate(String url) {
	Map<Class, PageModelPipeline> map = this.modelPipeline.getPageModelPipelines();
	Set<Class> classSet = map.keySet();
	Iterator<Class> iter =  classSet.iterator();
	if (iter.hasNext()) {
		Class clazz = iter.next();
		Annotation annotation = clazz.getAnnotation(TargetUrl.class);
		List<Pattern> targetUrlPatterns = new ArrayList<Pattern>();
		if (annotation == null) {
			targetUrlPatterns.add(Pattern.compile(".*"));
		} else {
			TargetUrl targetUrl = (TargetUrl) annotation;
			String[] value = targetUrl.value();
			for (String s : value) {
				targetUrlPatterns.add(Pattern.compile("(" + s.replace(".", "\\.").replace("*", "[^\"'#]*") + ")"));
			}
		}
		boolean match = false;
		
		for(Pattern p : targetUrlPatterns) {
			Matcher m = p.matcher(url);
			if (m.find()) {
				match = true;
				break;
			}
		}
		if (!match && !targetUrlPatterns.isEmpty()) {
			logger.warn(String.format("the url(%s) don't match the targeUrl regex(%s)", url, targetUrlPatterns.get(0)));
		}
		return match;
	}
	return super.validate(url);
}